don't bother with don't need when there is neither madvise not fadvise calls

[rrdtool.git] / src / pngsize.c

diff --git a/src/pngsize.c b/src/pngsize.c
index 18e89c5..9ee323b 100644 (file)
--- a/src/pngsize.c
+++ b/src/pngsize.c
@@ -1,5 +1,5 @@
 /*****************************************************************************
- * RRDtool 1.2.23  Copyright by Tobi Oetiker, 1997-2007
+ * RRDtool 1.3rc7  Copyright by Tobi Oetiker, 1997-2008
  *****************************************************************************
  * pngsize.c  determine the size of a PNG image
  *****************************************************************************/
@@ -31,7 +31,11 @@ int PngSize(
 #undef jmpbuf
 #endif
 
-    if (setjmp(png_read_ptr->jmpbuf)) {
+#ifndef png_jmpbuf
+#  define png_jmpbuf(png_ptr)   ((png_ptr)->jmpbuf)
+#endif
+
+    if (setjmp(png_jmpbuf(png_read_ptr))) {
         png_destroy_read_struct(&png_read_ptr, &info_ptr, (png_infopp) NULL);
         return 0;
     }